WO2009040041A1 - Procédé et dispositif pour améliorer le recyclage des gaz d'échappement d'un moteur à combustion interne - Google Patents
Procédé et dispositif pour améliorer le recyclage des gaz d'échappement d'un moteur à combustion interne Download PDFInfo
- Publication number
- WO2009040041A1 WO2009040041A1 PCT/EP2008/007765 EP2008007765W WO2009040041A1 WO 2009040041 A1 WO2009040041 A1 WO 2009040041A1 EP 2008007765 W EP2008007765 W EP 2008007765W WO 2009040041 A1 WO2009040041 A1 WO 2009040041A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- exhaust gas
- internal combustion
- combustion engine
- compressed air
- gas supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/1015—Air intakes; Induction systems characterised by the engine type
- F02M35/10157—Supercharged engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
- F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/36—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for adding fluids other than exhaust gas to the recirculation passage; with reformers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/45—Sensors specially adapted for EGR systems
- F02M26/46—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition
- F02M26/47—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition the characteristics being temperatures, pressures or flow rates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
- F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10255—Arrangements of valves; Multi-way valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10373—Sensors for intake systems
- F02M35/1038—Sensors for intake systems for temperature or pressure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Definitions
- the invention relates to a method and a device for improving an exhaust gas recirculation of an internal combustion engine, in particular a diesel engine, with an exhaust gas turbocharger.
- Exhaust gas recirculation is used as a way of reducing pollutant emissions, such as nitrogen oxides NO x , in internal combustion engines.
- a subset of the exhaust gases of the internal combustion engine is returned to the intake system, for example, an exhaust gas recirculation valve is opened and closed.
- Internal combustion engines, such as diesel engines are often equipped with exhaust gas turbochargers.
- Such internal combustion engines for example piston engines such as diesel engines, with exhaust gas turbochargers, for example, have an operating state during acceleration, which is referred to as "turbo lag.”
- the internal combustion engine reacts when accelerating with a speed increase only after a certain delay time, in which no exhaust gas energy, ie
- proposals for solutions have been made, which the published patent applications DE 10 2006 008 783 A1 and DE 10 2006 785 A1 describe.
- This is compressed air, for example a compressed air reservoir, controlled in the intake manifold of the internal combustion engine introduced to cover this at elevated fresh gas demand of the internal combustion engine.
- the object is achieved by a method having the features of claim 1 and by an apparatus having the features of claim 6.
- a basic idea of the invention is that a negative pressure arising during the injection of compressed air into the intake line of the internal combustion engine is used to draw in recirculated exhaust gas.
- An inventive method for improving an exhaust gas recirculation of an internal combustion engine, in particular a diesel engine, with an exhaust gas turbocharger comprises the steps of: determining operating parameters of the internal combustion engine for determining pressure values of the exhaust gas; controlled supply of compressed air based on the thus determined pressure values of the exhaust gas for generating a negative pressure in a supply section of a gas supply; Sucking a subset of exhaust gas of the internal combustion engine into the feed section of the gas supply device by means of the generated negative pressure; and returning the thus sucked subset of the exhaust gas via a connected to the gas supply suction line into the internal combustion engine.
- the compressed air is injected at a high pressure via a controlled valve, for example a solenoid or pneumatic valve. This creates immediately behind the outlet of the valve in a small area very high flow velocities, preferably sound velocity, the injected compressed air. In this area, there is a considerably lower pressure than in the intake manifold of the internal combustion engine.
- this region is formed as Venturi arrangement, whereby the resulting negative pressure is particularly pronounced.
- this negative pressure range the subset of the recirculated exhaust gas is sucked by the negative pressure.
- an injector pump arrangement can also be used.
- the recirculated sucked exhaust gas is injected together with the compressed air into the intake manifold of the internal combustion engine. So that the compressed air and the sucked exhaust gas are directed into the suction line, an adjusting element can be provided, which directs the flow directed into the intake pipe.
- An inventive device for improving an exhaust gas recirculation of an internal combustion engine, in particular a diesel engine, with an exhaust gas turbocharger comprises: an exhaust gas recirculation device, which communicates with an exhaust pipe and an intake pipe of the internal combustion engine; a return valve arranged in the exhaust gas recirculation device for the controlled switching on of an exhaust gas recirculation; and a gas supply device disposed between the intake pipe and a compressor of the exhaust gas turbocharger and coupled to a compressed air line, the gas supply device continuing an intake passage having a connection for the exhaust gas recirculation device, and wherein the intake duct opens into a feed section of the compressed air line.
- the gas supply device has measuring devices for measuring flow parameters in the gas supply device in the flow direction in front of and behind the adjusting element.
- measured values can be obtained in a simple manner, for example via the current intake pressure in the intake line, the measuring devices being, for example, pressure sensors. From the intake pressure and other measured values, for example from the engine control, such as engine speed, the exhaust pressure can also be deduced.
- the gas supply device is a Frischgas Obersab- section of a device for fresh air supply for the controlled injection of compressed air. This results in a combination of the advantages of the compressed air injection with respect to the so-called "turbo lag" as well as the improved exhaust gas recirculation.
- FIG. 1 is a schematic representation of an internal combustion engine with an exhaust gas turbocharger, an exhaust gas recirculation and a device according to the invention for improving exhaust gas recirculation;
- FIG. 2 is a schematic sectional view of a first embodiment of a gas supply device of the device according to the invention.
- FIG. 3 is an enlarged schematic sectional view of a connection section X according to FIG. 2 of a second exemplary embodiment of the gas supply device of the device according to the invention.
- Identical components or functional units with the same function are identified by the same reference numerals in the figures.
- Fig. 1 shows a schematic representation of an internal combustion engine 1 with an exhaust gas turbocharger 9, an exhaust gas recirculation device 34 and a device according to the invention for improving the exhaust gas recirculation.
- the internal combustion engine 1 is in this example a diesel engine with six cylinders 2, an intake pipe 3 and an exhaust pipe 4.
- the intake pipe 3 is connected via a gas supply means 10 with a compressor 12 of the exhaust gas turbocharger 9, which via an air filter 7 at the air inlet 5 for fresh gas FG connected.
- the compressor 12 of the exhaust gas turbocharger 9 is coupled to a Abgurburbinel3, which is arranged in the exhaust pipe 4 in front of an exhaust gas outlet 6 for exhaust gas AG of the internal combustion engine 1 and is driven by the exhaust gas AG.
- the exhaust pipe 4 is coupled via the exhaust gas recirculation device 34 with the intake pipe 3 via the gas supply device 10, which will be described in detail below.
- the exhaust gas recirculation device 34 is divided into first and second supply sections 35 and 36. Between these supply lines a return valve 37 is arranged, which may be, for example, a solenoid valve or a pneumatic valve.
- the gas supply device 10 is further connected to a compressed air line 11 for supplying compressed air DL.
- the compressed air DL is stored for example in a compressed air tank and / or is generated by a compressed air system (not shown). For example, this may be an existing in a commercial vehicle compressed air generation plant or an additional system.
- An engine control unit 8 is connected to injection systems of the cylinder 2. For this purpose, only one control line 14 is symbolically indicated. Another connection 15 is connected to a control unit 16 of the gas supply device 10. The engine control unit 8 controls the internal combustion engine in a known manner and will not be explained further. Via the connection 15 it receives further measurement data of the gas supply device 10, which will be explained in more detail below.
- the gas supply device 10 is in this example a fresh gas line section, as described in DE 10 2006 008 783 Al and DE 10 2006 008 785 Al in connection with an associated compressed air generation. A detailed explanation is therefore omitted here.
- the gas supply device 10 is shown schematically together with associated functional units in Fig. 2 in a longitudinal sectional view in a first embodiment.
- the gas supply device 10 consists of a tubular body, which is connected with its right side with an inflow section 28 for a Frischgaseinströmung 17 with the compressor 12 of the exhaust gas turbocharger 9 (see Fig. 1).
- an adjusting element 20 in the form of a flap is pivotably arranged about an axis of rotation 21.
- the adjusting element 20 is coupled to an adjusting unit 22 and a position transmitter 23. With the adjusting element 20, the passage cross section of the tubular body of the gas supply device 10 and thus the inflow 17 is formed variable.
- an outflow section 29 is arranged, which is connected to the intake line 3 for an outflow 18 (see FIG. 1).
- a connection section 32 with a feed section 27 is arranged on the underside in this example, wherein the feed section 27 is channel-shaped and communicates with one end with the outflow section 29.
- the other end of the feed section 27 is connected to a valve 30, which is designed here as a solenoid valve and with its connection side for a compressed air inflow 19 of the compressed-air line 11 (see FIG. 1) is formed.
- the connecting portion 32 is connected to an intake passage 33 which communicates with the first supply passage 35 of the exhaust gas recirculation device 34.
- the return valve 37 and the second supply line section 36 connects, which is connected to the exhaust pipe 4 (see Fig. 1), which is to symbolize the arrow.
- the return valve 37 is also a solenoid valve in this example.
- the gas supply device 10 also has in the flow direction in front of the adjusting element 20 in the inflow section 28 and in the flow direction behind the adjusting element 20 in the outflow section 29 each have a measuring channel 26.
- a measuring device 24, 25 is connected, which in this example is in each case a pressure sensor.
- the control unit 16 of the gas supply device 10 is connected to the adjustment unit 22 and the position sensor 23 of the control element 20, the measuring devices 24, 25 and to the valves 30 and 37. Furthermore, it is connected to the engine control unit 8 and has a port 31 for further connections, such as pressure sensors, temperature sensors, etc. of the exhaust pipe and / or the exhaust gas turbocharger.
- valve 30 is opened by the control unit, the incoming compressed air DL is under a very high pressure and generated by its high flow velocity, which is preferably speed of sound, at the outlet of the valve 30 in the feed section 27 a high negative pressure. Then, the return valve 37 opens, controlled by another signal from the control unit 16, and a subset of exhaust gas is sucked through the exhaust gas recirculation means 34 in the feed section 27, and entrained by the incoming compressed air.
- control unit 16 sends a signal to the adjusting unit 22 of the control element 20 for closing or reducing the cross section to the inflow section 28, so that the flow of compressed air with the recirculated exhaust gas is directed as directed outflow 18 into the intake line 3 into the internal combustion engine 1 ,
- the valves 30 and 37 are closed again and the control element 20 adjusted according to the enlargement of the cross section to the inflow section 29.
- FIG. 2 shows a sectional view of the region X of FIG. 2 in a second exemplary embodiment of the device according to the invention.
- the feed section 27 is designed here as a venturi arrangement 38.
- the intake passage 33 is connected to the first supply line 35 of the exhaust gas recirculation device 34, whereby more exhaust gas at low exhaust gas pressure in the exhaust line 4 by the negative pressure (Fig. 1) is traceable and thus the nitrogen oxide content of the exhaust gases AG is further reduced.
- the geometric design of the feed section 27 has arrangements other than venturi arrangements.
- an injector pump assembly such as a water jet pump
- the injector projects from the lower end of the connection section 32 into the supply section, which is not shown, but is easy to imagine.
- the valves can also be controlled pneumatically or electro-pneumatically.
- the gas supply device 10 may be a fresh gas line section of the compressed air device described in DE 10 2006 008 783 A1 and DE 10 2006 008 785 A1 and be coupled thereto.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Supercharger (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP08802290.0A EP2205849B1 (fr) | 2007-09-24 | 2008-09-17 | Procédé et dispositif pour améliorer le recyclage des gaz d'échappement d'un moteur à combustion interne |
| JP2010526194A JP2010540820A (ja) | 2007-09-24 | 2008-09-17 | 内燃機関の排ガス再循環を改善するための方法及び装置 |
| BRPI0817688-4A BRPI0817688B1 (pt) | 2007-09-24 | 2008-09-17 | método e dispositivo para aperfeiçoar uma recirculação de gás de escape de um motor de combustão |
| CN200880108469XA CN101809274B (zh) | 2007-09-24 | 2008-09-17 | 用于改善内燃机的废气再循环的方法和设备 |
| US12/729,807 US7934492B2 (en) | 2007-09-24 | 2010-03-23 | Method and device for improving a recirculation of exhaust gas in an internal combustion engine |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007045623A DE102007045623B4 (de) | 2007-09-24 | 2007-09-24 | Verfahren und Vorrichtung zum Verbessern einer Abgasrückführung einer Verbrennungskraftmaschine |
| DE102007045623.0 | 2007-09-24 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US12/729,807 Continuation US7934492B2 (en) | 2007-09-24 | 2010-03-23 | Method and device for improving a recirculation of exhaust gas in an internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2009040041A1 true WO2009040041A1 (fr) | 2009-04-02 |
Family
ID=40101132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2008/007765 Ceased WO2009040041A1 (fr) | 2007-09-24 | 2008-09-17 | Procédé et dispositif pour améliorer le recyclage des gaz d'échappement d'un moteur à combustion interne |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7934492B2 (fr) |
| EP (1) | EP2205849B1 (fr) |
| JP (1) | JP2010540820A (fr) |
| CN (1) | CN101809274B (fr) |
| BR (1) | BRPI0817688B1 (fr) |
| DE (1) | DE102007045623B4 (fr) |
| WO (1) | WO2009040041A1 (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010146048A1 (fr) * | 2009-06-18 | 2010-12-23 | Avl List Gmbh | Moteur à combustion interne présentant un système de recirculation des gaz d'échappement à air comprimé |
| CN103016214A (zh) * | 2012-12-11 | 2013-04-03 | 山东绿环动力设备有限公司 | 柴油机废气再循环系统 |
| EP4001762A1 (fr) * | 2020-11-13 | 2022-05-25 | Haas + Sohn Ofentechnik GmbH | Dispositif de mesure du débit dans une fournaise |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009022229A1 (de) * | 2009-05-20 | 2010-11-25 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Gehäuse einer Frischgasversorgungseinrichtung für eine Verbrennungsmaschine und Frischgasversorgungseinrichtung |
| US8069665B2 (en) | 2010-04-15 | 2011-12-06 | Ford Global Technologies, Llc | Stored compressed air management for improved engine performance |
| DE102010017578B3 (de) * | 2010-06-25 | 2012-01-05 | Fien-Krematech Gmbh I. G. | Krematoriumsofen |
| DE102010053356A1 (de) | 2010-12-03 | 2011-08-25 | Daimler AG, 70327 | Verbrennungskraftmaschine für einen Kraftwagen sowie Verfahren zum Betreiben einer solchen Verbrennungskraftmaschine |
| US9212629B2 (en) | 2011-01-27 | 2015-12-15 | Weichai Power Co., Ltd. | Equipment and method for controlling air system of diesel engine |
| US20120227399A1 (en) * | 2011-03-11 | 2012-09-13 | International Engine Intellectual Property Company, Llc | In-flow air injection housing |
| WO2013029216A1 (fr) * | 2011-08-26 | 2013-03-07 | 潍柴动力股份有限公司 | Appareil et procédé de commande du système d'air d'un moteur diesel |
| US9145852B2 (en) * | 2014-01-03 | 2015-09-29 | Deere & Company | Power system comprising an EGR system |
| US10316803B2 (en) | 2017-09-25 | 2019-06-11 | Woodward, Inc. | Passive pumping for recirculating exhaust gas |
| CN107559106A (zh) * | 2017-10-30 | 2018-01-09 | 潍柴动力股份有限公司 | 一种egr系统及其混合进气结构 |
| DE102018006636A1 (de) | 2018-08-22 | 2019-03-07 | Daimler Ag | Verbrennungskraftmaschine für ein Kraftfahrzeug sowie Verfahren zum Betreiben einer solchen Verbrennungskraftmaschine |
| US10995705B2 (en) | 2019-02-07 | 2021-05-04 | Woodward, Inc. | Modular exhaust gas recirculation system |
| CN213175878U (zh) | 2020-01-08 | 2021-05-11 | 伍德沃德有限公司 | 排气气体再循环混合器和发动机系统 |
| US11174809B1 (en) | 2020-12-15 | 2021-11-16 | Woodward, Inc. | Controlling an internal combustion engine system |
| US11215132B1 (en) | 2020-12-15 | 2022-01-04 | Woodward, Inc. | Controlling an internal combustion engine system |
| CN115030841B (zh) * | 2022-04-29 | 2023-05-30 | 东风商用车有限公司 | 一种增压装置及egr排气系统 |
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| US20060124116A1 (en) * | 2004-12-15 | 2006-06-15 | Bui Yung T | Clean gas injector |
| US7076952B1 (en) * | 2005-01-02 | 2006-07-18 | Jan Vetrovec | Supercharged internal combustion engine |
| DE102006008783A1 (de) | 2005-02-24 | 2006-09-07 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Frischgasversorgungseinrichtung für eine turboaufgeladene Kolbenbrennkraftmaschine |
| DE102006008785A1 (de) * | 2005-02-24 | 2007-03-15 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Einrichtung zur Frischluftversorgung einer turboaufgeladenen Kolbenbrennkraftmaschine und Verfahren zum Betrieb derselben |
| DE102006009153A1 (de) * | 2006-02-24 | 2007-08-30 | Mahle International Gmbh | Abgasrückführeinrichtung |
| US7353812B1 (en) * | 2007-03-14 | 2008-04-08 | Ford Global Technologies, Llc | Vehicle engine with integral vacuum generator |
-
2007
- 2007-09-24 DE DE102007045623A patent/DE102007045623B4/de not_active Expired - Fee Related
-
2008
- 2008-09-17 JP JP2010526194A patent/JP2010540820A/ja active Pending
- 2008-09-17 BR BRPI0817688-4A patent/BRPI0817688B1/pt not_active IP Right Cessation
- 2008-09-17 CN CN200880108469XA patent/CN101809274B/zh not_active Expired - Fee Related
- 2008-09-17 EP EP08802290.0A patent/EP2205849B1/fr not_active Not-in-force
- 2008-09-17 WO PCT/EP2008/007765 patent/WO2009040041A1/fr not_active Ceased
-
2010
- 2010-03-23 US US12/729,807 patent/US7934492B2/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4270508A (en) * | 1979-10-12 | 1981-06-02 | U.S.A. 161 Developments Ltd. | Combustion control system |
| DE4319380A1 (de) * | 1992-06-12 | 1993-12-16 | Avl Verbrennungskraft Messtech | Brennkraftmaschine mit einem Abgasturbolader |
| DE4235794C1 (de) * | 1992-10-23 | 1993-10-28 | Daimler Benz Ag | Abgasrückführung für eine Brennkraftmaschine |
| DE4429232C1 (de) * | 1994-08-18 | 1995-09-07 | Daimler Benz Ag | Vorrichtung zur Abgasrückführung für eine aufgeladene Brennkraftmaschine |
| EP1213467A2 (fr) * | 2000-12-07 | 2002-06-12 | Caterpillar Inc. | Système de recirculation des gaz d'échappement avec un venturi à by-pass |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010146048A1 (fr) * | 2009-06-18 | 2010-12-23 | Avl List Gmbh | Moteur à combustion interne présentant un système de recirculation des gaz d'échappement à air comprimé |
| CN103016214A (zh) * | 2012-12-11 | 2013-04-03 | 山东绿环动力设备有限公司 | 柴油机废气再循环系统 |
| EP4001762A1 (fr) * | 2020-11-13 | 2022-05-25 | Haas + Sohn Ofentechnik GmbH | Dispositif de mesure du débit dans une fournaise |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0817688B1 (pt) | 2019-08-27 |
| CN101809274A (zh) | 2010-08-18 |
| BRPI0817688A2 (pt) | 2015-04-07 |
| US20100175671A1 (en) | 2010-07-15 |
| EP2205849A1 (fr) | 2010-07-14 |
| DE102007045623A1 (de) | 2009-04-09 |
| DE102007045623B4 (de) | 2009-07-23 |
| EP2205849B1 (fr) | 2018-03-07 |
| US7934492B2 (en) | 2011-05-03 |
| CN101809274B (zh) | 2012-02-08 |
| JP2010540820A (ja) | 2010-12-24 |
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